<span>In addition to prenatal testing for potential diseases, recent technology now allows for the prediction of the occurrence of over 1,000 different genetic disorders in adults. A genetic disorder is a problem within the genes that is caused by one or sometimes more abnormalities in the genome. This includes things like Down Syndrome, Huntingdon's disease, and many more.</span>
No. It was an idea that yielded common positive results. “Not a good theory” is biased terminology. New technology can yield new information, but it does not mean that it was not a good theory.